Lottsford Road

Ranking Statistics

247 score74.6of 100

Maryland median

89.0the median score of 736 stations

Scoring higher

642stations in Maryland

Sharing its score

1no other station

Points deducted

25.422.0 reports received, 1.9 continuity, 0.8 forecast check, 0.6 arrival, 0.2 accuracy

Counted at the median

Accuracy, instrument checks, forecast checknot measured at this station; Maryland median 99.0, 100.0, 92.1

Next above

CW1550rank 642; ahead on 247 score 74.7 against 74.6

Next below

CW0608rank 644; behind on 247 score 74.6 against 74.3

Equal scores are ordered by the share of scheduled reports received, then the reports due in the week (the longer record first), then the median arrival, then the longest silence.

1. Reports receivedweight 3537.213.0 of 35 pointsMaryland median 82.1341 of 916 scheduled reports received in 7 days
2. Arrivalweight 1094.39.4 of 10 pointsMaryland median 94.0half its reports arrived within 13 min
3. Continuityweight 1081.28.1 of 10 pointsMaryland median 100.0longest silence 60 min, on a schedule of one report every 11 min
4. Accuracyweight 20-19.8 of 20 points, at the medianMaryland median 99.0-
5. Instrument checksweight 15-15.0 of 15 points, at the medianMaryland median 100.0-
6. Forecast checkweight 10-9.2 of 10 points, at the medianMaryland median 92.1-

The score is the weighted mean of its six parts, from the last 7 days. How a station is ranked sets out each part.